Cancer (1) is found in the nasopharynx only or has spread from the nasopharynx to the oropharynx (the middle part of the throat, including the soft palate, base of the tongue, and tonsils) and/or to the nasal cavity. Cancer has spread to one or more lymph nodes on both sides of the neck and the affected lymph nodes are 6 centimeters or smaller; or (2) is found in the parapharyngeal space (area near the pharynx, between the base of the skull and the lower jaw). Cancer has spread to one or more lymph nodes on both sides of the neck and the affected lymph nodes are 6 centimeters or smaller; or (3) has spread to nearby bones or sinuses. Cancer may have spread to one or more lymph nodes on one or both sides of the neck and/or to lymph nodes behind the pharynx, and the affected lymph nodes are 6 centimeters or smaller.